How big is Stealth Biotherapeutics Inc.'s plan?

Stealth Biotherapeutics Inc.'s plan reported $9.5M in assets and 56 participants for 2024.

Original filing (PDF)20250922110812NAL0002107235001

Stealth Biotherapeutics Inc.

Name: Stealth Biotherapeutics Inc. — Form 5500 (2024)
Creator: Stealth Biotherapeutics Inc.
License: https://www.usa.gov/government-works

Form 5500-SF

FILING_RECEIVED

401(k) retirement plan · Stealth Biotherapeutics Inc. held $9.5M in plan assets for 56 participants in 2024.

Active participants

Accounts w/ balance

Plan assets (EOY)

$9.5M

Net assets (EOY)

$9.5M

People on this filing

Brenda CHIN signed Stealth Biotherapeutics Inc.'s 2024 Form 5500 as plan administrator.

Brenda CHIN — Plan Administrator — Form 5500 signer

Get verified email & phone for these signers

Signer names are public record from the Form 5500 e-signature.

Plan identifiers

Stealth Biotherapeutics Inc.'s EIN is 26-1512085.

EIN 26-1512085

Plan number 001

Plan year 2024

ACK ID 20250922110812NAL0002107235001

Official Form 5500 document

Download the official 2024 Form 5500 (PDF) for Stealth Biotherapeutics Inc. from the U.S. Department of Labor's EFAST2 system.

Download the official 2024 Form 5500 (PDF)

Plan features

Stealth Biotherapeutics Inc.'s plan includes profit-sharing, ERISA 404(c) participant direction, a 401(k) feature, a default investment (QDIA).

Decision-maker contacts

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Plan health score

Top-tier plan health

Directional indicator from public Form 5500 data — compliance & integrity, total plan cost, participant health and vendor stack, benchmarked against same-size peers. Not a fiduciary tool. Based on 70% of scoring inputs for this filing.

Compliance & integrity

100

Total plan cost

n/a

Plan health

Vendor & structure

100

Helping the score

Cost not scored — no comparable Schedule H expense data for this cohort.

Plan sponsor

Name

STEALTH BIOTHERAPEUTICS INC.

EIN

all filings

Address

123 HIGHLAND AVE · STE 201 · NEEDHAM, MA · 02494

Phone

(617) 600-6888

Industry

Professional & Technical Services

Plan administrator

Same as plan sponsor.

Plan characteristics

Plan number

001

Plan year

2024

Plan year begin

2024-01-01

Tax period

2024-12-31

Filed

2025-09-22

Pension benefit codes

2E · Profit-sharing

2F · ERISA section 404(c)

2G · Total participant-directed accounts

2J · 401(k) feature

2K · 401(m) arrangement

2T · Default investment account (QDIA)

3D · Pre-approved plan (master / prototype / VS)

Audit & trust (Schedule H)

Service providers (Schedule C)

Small plans don't disclose service providers

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